umbraco/Umbraco-CMS — pull request #141 by IDisposable (2013-09-26 18:41:55+00:00)
Title: Fix order of null-check versus dotting through to .UmbracoContext.

The order of operations in the constructor dots through to the _routingContext.UmbracoContext before checking if the value was null and throwing the argument exception (which really isn't an ArgumentException...)